/* Calculadora de lucro do livro — usada só em calculadora-lucro-livro.html */
.calc { margin: 36px 0 40px; }
.calc-cartao {
    margin: 0 0 18px; padding: 22px 20px 20px; border-radius: 16px;
    background: rgba(255, 255, 255, 0.62); border: 1px solid rgba(139, 0, 0, 0.12);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(60, 0, 0, 0.08);
}
.calc-cartao > h2 { margin: 0 0 4px; font-size: 20px; line-height: 1.3; }
.calc-cartao > h2::before { content: ""; display: block; width: 34px; height: 3px; border-radius: 3px; margin-bottom: 12px; background: linear-gradient(90deg, #c00000, #6b0000); }
.calc-ajuda { margin: 0 0 16px; font-size: 14px; line-height: 1.5; color: #5f5f5f; }
.calc-grade { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 600px) { .calc-grade { grid-template-columns: 1fr 1fr; } }
.calc-campo { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.calc-campo label { font-size: 14px; font-weight: 700; line-height: 1.35; color: #222222; }
.calc-campo small { font-size: 12.5px; line-height: 1.4; color: #6b6b6b; }
.calc-entrada { position: relative; display: flex; align-items: center; }
.calc-entrada span {
    position: absolute; top: 50%; transform: translateY(-50%); font-size: 15px; font-weight: 600; color: #8B0000; pointer-events: none;
}
.calc-entrada .calc-prefixo { left: 14px; }
.calc-entrada .calc-sufixo { right: 14px; }
.calc-entrada input {
    width: 100%; min-width: 0; padding: 13px 14px; border-radius: 12px;
    border: 1.5px solid #d9c6c3; background: #ffffff; color: #1a1a1a;
    font-family: inherit; font-size: 17px; line-height: 1.3; font-variant-numeric: tabular-nums;
    -moz-appearance: textfield; appearance: textfield;
}
.calc-entrada .calc-prefixo + input { padding-left: 44px; }
.calc-entrada input.com-sufixo { padding-right: 40px; }
.calc-entrada input::-webkit-outer-spin-button, .calc-entrada input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.calc-entrada input:focus { outline: none; border-color: #8B0000; box-shadow: 0 0 0 3px rgba(139, 0, 0, 0.15); }
.calc-total { margin: 14px 0 0; font-size: 14px; color: #444444; }
.calc-total strong { color: #8B0000; }
.calc-dica { margin: 14px 0 0; border-radius: 12px; border: 1px dashed rgba(139, 0, 0, 0.25); padding: 0 14px; }
.calc-dica summary { cursor: pointer; padding: 12px 0; font-size: 14px; font-weight: 700; color: #8B0000; }
.calc-dica[open] { padding-bottom: 14px; }

/* Resultado */
.calc-resultado { background: linear-gradient(160deg, #fff6f4 0%, #ffffff 70%); border-color: rgba(139, 0, 0, 0.18); }
.calc-destaque { margin: 4px 0 18px; font-size: 17px; line-height: 1.5; color: #222222; }
.calc-destaque strong { color: #8B0000; }
.calc-barras { list-style: none; margin: 0 0 6px; padding: 0; display: grid; gap: 14px; }
.calc-barra-topo { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 6px; }
.calc-barra-nome { font-size: 14.5px; font-weight: 700; color: #222222; }
.calc-barra-valor { font-size: 18px; font-weight: 800; color: #8B0000; font-variant-numeric: tabular-nums; white-space: nowrap; }
.calc-barra-valor.negativo { color: #b42318; }
.calc-barra-trilho { height: 14px; border-radius: 999px; background: rgba(139, 0, 0, 0.08); overflow: hidden; }
.calc-barra-preenche { display: block; height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, #c00000, #6b0000); transition: width 0.45s cubic-bezier(.2,.7,.2,1); }
.calc-barra-item.fraco .calc-barra-preenche { background: linear-gradient(90deg, #d9a3a3, #b36b6b); }
.calc-barra-nota { margin-top: 4px; font-size: 12.5px; color: #6b6b6b; }
.calc-numeros { display: grid; grid-template-columns: 1fr; gap: 12px; margin: 20px 0 0; }
@media (min-width: 600px) { .calc-numeros { grid-template-columns: 1fr 1fr; } }
.calc-numero { padding: 14px 16px; border-radius: 14px; background: #ffffff; border: 1px solid rgba(139, 0, 0, 0.12); }
.calc-numero-rotulo { display: block; font-size: 13px; line-height: 1.4; color: #5f5f5f; }
.calc-numero-valor { display: block; margin-top: 4px; font-size: 22px; font-weight: 800; line-height: 1.2; color: #1a1a1a; font-variant-numeric: tabular-nums; }
.calc-numero-extra { display: block; margin-top: 4px; font-size: 12.5px; line-height: 1.4; color: #6b6b6b; }
.calc-acoes { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 0; }
.calc-botao {
    padding: 12px 18px; border-radius: 50px; cursor: pointer; font-family: inherit; font-size: 13px; font-weight: 700; letter-spacing: 0.6px; text-transform: uppercase;
    border: 1.5px solid #8B0000; background: #ffffff; color: #8B0000; transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.calc-botao.principal { border-color: transparent; background: linear-gradient(135deg, #c00000, #6b0000); color: #ffffff; box-shadow: 0 8px 20px rgba(139, 0, 0, 0.3); }
.calc-botao:hover { transform: translateY(-1px); }
.calc-botao:focus-visible { outline: 3px solid #1a1a1a; outline-offset: 2px; }
.calc-status { margin: 10px 0 0; font-size: 14px; color: #14532d; }
.calc-status:empty { display: none; }
.calc-aviso { margin: 14px 0 0; font-size: 12px; font-style: italic; line-height: 1.5; color: #6b5b59; }
.calc-exemplo-fixo { margin: 0; }
.calc .calc-so-js { display: none; }
.calc.ativa .calc-so-js { display: block; }
.calc.ativa .calc-sem-js { display: none; }

/* Modo noturno */
body.dark-mode .calc-cartao { background: rgba(30, 30, 30, 0.55); border-color: rgba(255, 255, 255, 0.09); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35); }
body.dark-mode .calc-cartao > h2::before { background: linear-gradient(90deg, #ff8a8a, #c00000); }
body.dark-mode .calc-ajuda, body.dark-mode .calc-campo small, body.dark-mode .calc-barra-nota, body.dark-mode .calc-numero-rotulo, body.dark-mode .calc-numero-extra { color: #b8b8b8; }
body.dark-mode .calc-campo label, body.dark-mode .calc-barra-nome, body.dark-mode .calc-destaque { color: #f0f0f0; }
body.dark-mode .calc-entrada input { background: #111111; color: #ffffff; border-color: #4a3434; }
body.dark-mode .calc-entrada input:focus { border-color: #ff8a8a; box-shadow: 0 0 0 3px rgba(255, 138, 138, 0.18); }
body.dark-mode .calc-entrada span, body.dark-mode .calc-dica summary, body.dark-mode .calc-total strong, body.dark-mode .calc-destaque strong, body.dark-mode .calc-barra-valor { color: #ff8a8a; }
body.dark-mode .calc-barra-valor.negativo { color: #ffb3ad; }
body.dark-mode .calc-total { color: #cccccc; }
body.dark-mode .calc-dica { border-color: rgba(255, 138, 138, 0.25); }
body.dark-mode .calc-resultado { background: linear-gradient(160deg, #2a1616 0%, #1c1c1c 70%); border-color: rgba(255, 138, 138, 0.22); }
body.dark-mode .calc-barra-trilho { background: rgba(255, 255, 255, 0.08); }
body.dark-mode .calc-numero { background: #161616; border-color: rgba(255, 255, 255, 0.09); }
body.dark-mode .calc-numero-valor { color: #ffffff; }
body.dark-mode .calc-botao { background: transparent; color: #ff8a8a; border-color: #ff8a8a; }
body.dark-mode .calc-botao.principal { background: linear-gradient(135deg, #c00000, #6b0000); color: #ffffff; border-color: transparent; }
body.dark-mode .calc-botao:focus-visible { outline-color: #ffffff; }
body.dark-mode .calc-status { color: #b7f0cc; }
body.dark-mode .calc-aviso { color: #b9a9a7; }

@media print {
    .calc-acoes, .calc-dica { display: none !important; }
    .calc-cartao { box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; }
}